.accordion {
  max-width: var(--measure);
  --accordion-item-border: 1px solid black;
}

.accordion-item__body {
  height: 0;
  padding-block: 0;
  overflow: hidden;
}

.accordion-item.open > .accordion-item__body {
  padding-block: var(--s-1);
  height: auto;
}

.accordion-item.open svg {
  transform: rotate(180deg);
}

.accordion-item svg {
  transition: transform .35s ease;
}

.accordion-item:first-child {
  border-top: var(--accordion-item-border);
}

.accordion-item {
  padding-block: var(--s0);
  border-bottom: var(--accordion-item-border);
}

.accordion-item__head {
  font-size: var(--s1);
  font-family: var(--header-font);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}